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Description
Used 21066-3718 REGULATOR-VOLTAGE [K0668-10]ULTRA250X'07 OEM (Fuel Injection) REGULATOR VOLTAGE Used [K0668 10] INCLUDED ITEM[NUMBER NAME] 21066 3718 REGULATOR VOLTAGE SHIPPING AND RETURN 1. WORLDWIDE SHIPPING. (Except Japan) 2. Orders processed within 24 48 hours of payment verification. 3. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 4. If you have not received your shipment within 30 days
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4.5 ★★★★★
Based on 605 reviews
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Product Reviews
★★★★★ 5
Good fit for Mercury 150 2 stroke!
This kit fit my Mercury 150 2 stroke great. Had all the parts needed to rebuild the water pump. Works well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2025
★★★★★ 5
Fits perfect
Perfect fit for my mercury xr2 blackmax 150
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Reviewed in the United States on May 23, 2026
★★★★★ 5
It's good quality. I was happy.
It was package very well. The impeller felt of quality of course it could have been priced cheaper. I would buy it again. Then they ask u if it was easy to install. Hell no. Anyone that's had to changed one nos it sucks
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Reviewed in the United States on June 4, 2024
★★★★★ 4
Great for Merc 200
Bought for my 1985 Mercury Black Max 200. Perfect fit! Only downside was no instructions included.
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Reviewed in the United States on August 11, 2025
★★★★★ 5
Worked with slight modification
Had to slightly widen the holes in metal gasket to make it fit.
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Reviewed in the United States on September 30, 2025
